Psittacosaurs, Psittacosaurus A “parrot-beaked lizard” from Early Cretaceous Mongolia, east and northwest China, Thailand, and southern Siberia. It was named by U. S. paleontologist Henry Fairfield Osborn in 1923. Found on http://www.wordinfo.info/words/index/info/view_unit/1775/
Psittacosaurs, Psittacosaurus A “parrot-beaked lizard” from Early Cretaceous Mongolia, east and northwest China, Thailand, and southern Siberia. It was named by U. S. paleontologist Henry Fairfield Osborn in 1923.